Only when I am in front by a country mile, like in Melbourne last year. Then you are thinking about other things or you're playing with the buttons on the steering wheel. Then I suddenly missed a braking point. This year unfortunately we haven't had such race.
Seriously, how MUCH down force does he really need? In any case before adding any aero-slap-ons he should have addressed suspension and grip. Which as we all know C63's are in need off when they're right out of the box if intended for anything more than your average cruising or "spirited" drive. This gentleman deserves a punch on the bag.